The secret to her shape? "Protein and vegetables."

Carmen Electra first wore her famous red Baywatch swimsuit when she was 25 years old.

Now, she's 40 and she's rocking it again.

"Once I got it on, I felt amazing," Carmen told In Touch magazine at the photo shoot. But, she found, "It was a million times better than I thought it would be."

Electra began her career as a dancer before finding fame in 1997 with the lifeguard series that starred David Hasselhoff and Pamela Anderson. She later graced the cover of Playboy three times. She says she's in better shape than ever thanks to a diet that's heavy on "protein and vegetables."

Electra tells In Touch: "I feel better than I did at 25!"

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